portable

kannettava

matka-

matkakirjoituskone Able to be carry carried or easily moved.
puhekieltä Of software, able to be run on multiple hardware or operating systems.
A portable building used for temporary purposes, particularly:
(short for)
A trailer or other portable structure used for classes at a school.
puhekieltä (short for)
1985, New Accountant (volumes 1-3, page lxvii)

A few portables, particularly the small laphelds, go one step further and come with software built into the computer.